x3 + 2x = 3x2 ? -> - 1
x3 + 6x2 + 5x - 12 = 0 ? -> - 3
x2 = 9 ? -> Two
3(y - 1) + 2y = - 5(y + 1) ? -> None of the above
4z - 3(1 - z) = 7z ? ->
2(x + 1) = x + (x + 4) - 2 ? -> x = 0
? -> None of the above
x2 - 2 = x ? -> x = 2 and x = - 1
4[y + 3(2 - y)] = - 5[y - 7 + 2(y + 1)] ? ->
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